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 /*
 Gwenview: an image viewer
 Copyright 2007 Aurélien Gâteau <agateau@kde.org>
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 */
 #ifndef VIEWMAINPAGE_H
 #define VIEWMAINPAGE_H
 
 // Local
 #include <lib/document/document.h>
 
 // KF
 
 // Qt
 #include <QToolButton>
 #include <QUrl>
 #include <QWidget>
 
 class QGraphicsWidget;
 
 class KActionCollection;
 
 namespace Gwenview
 {
 class AbstractRasterImageViewTool;
 class DocumentView;
 class GvCore;
 class RasterImageView;
 class SlideShow;
 class ThumbnailBarView;
 
 struct ViewMainPagePrivate;
 
 /**
  * Holds the active document view and associated widgetry.
  */
 class ViewMainPage : public QWidget
 {
     Q_OBJECT
 public:
     static const int MaxViewCount;
 
     ViewMainPage(QWidget *parent, SlideShow *, KActionCollection *, GvCore *);
     ~ViewMainPage() override;
 
     ThumbnailBarView *thumbnailBar() const;
 
     void loadConfig();
 
     void saveConfig();
 
     /**
      * Reset the view
      */
     void reset();
 
     void setFullScreenMode(bool fullScreen);
 
     int statusBarHeight() const;
 
     QSize sizeHint() const override;
     QSize minimumSizeHint() const override;
 
     /**
      * Returns the url of the current document, or an invalid url if unknown
      */
     QUrl url() const;
 
     void openUrl(const QUrl &url);
 
     /**
      * Opens up to MaxViewCount urls, and set currentUrl as the current one
      */
     void openUrls(const QList<QUrl> &urls, const QUrl &currentUrl);
 
     void reload();
 
     Document::Ptr currentDocument() const;
 
     bool isEmpty() const;
 
     /**
      * Returns the image view, if the current adapter has one.
      */
     RasterImageView *imageView() const;
 
     /**
      * Returns the document view
      */
     DocumentView *documentView() const;
 
     QToolButton *toggleSideBarButton() const;
 
     void showMessageWidget(QGraphicsWidget *, Qt::Alignment align = Qt::AlignHCenter | Qt::AlignTop);
 
 Q_SIGNALS:
 
     /**
      * Emitted when the part has finished loading
      */
     void completed();
 
     void previousImageRequested();
 
     void nextImageRequested();
 
     void openUrlRequested(const QUrl &);
 
     void openDirUrlRequested(const QUrl &);
 
     void toggleFullScreenRequested();
 
     void goToBrowseModeRequested();
 
     void captionUpdateRequested(const QString &);
 
 public Q_SLOTS:
     void setStatusBarVisible(bool);
 
 private Q_SLOTS:
     void setThumbnailBarVisibility(bool visible);
 
     void showContextMenu();
 
     void slotViewFocused(DocumentView *);
 
     void slotEnterPressed();
 
     void trashView(DocumentView *);
     void deselectView(DocumentView *);
 
     void slotDirModelItemsAddedOrRemoved();
 
 protected:
     bool eventFilter(QObject *watched, QEvent *event) override;
 
 private:
     friend struct ViewMainPagePrivate;
     ViewMainPagePrivate *const d;
 
     void updateFocus(const AbstractRasterImageViewTool *tool);
 };
 
 } // namespace
 
 #endif /* VIEWMAINPAGE_H */